3992272326 has 128 divisors (see below), whose sum is σ = 10357632000. Its totient is φ = 1116322560.

The previous prime is 3992272303. The next prime is 3992272331. The reversal of 3992272326 is 6232722993.

3992272326 is a `hidden beast` number, since 399 + 2 + 27 + 232 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4111021 + ... + 4111991.

It is an arithmetic number, because the mean of its divisors is an integer number (80919000).

Almost surely, 2^3992272326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3992272326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5178816000).

3992272326 is an abundant number, since it is smaller than the sum of its proper divisors (6365359674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3992272326 is a wasteful number, since it uses less digits than its factorization.

3992272326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1205 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 3992272326 is about 63184.4310411987. The cubic root of 3992272326 is about 1586.3781498109.

The spelling of 3992272326 in words is "three billion, nine hundred ninety-two million, two hundred seventy-two thousand, three hundred twenty-six".